Whistle



FIG. 1. Is a perspective view of one embodiment of my whistle;

FIG. 2. Is a top view thereof;

FIG. 3. Is a bottom view thereof;

FIG. 4. Is a front side view thereof;

FIG. 5. is a back side view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof. 

CLAIM I claim the ornamental design for a whistle, as shown and described herein. 